it is in the zend avesta i posted years ago about this on this very forum
let me find the verse

(humming fire lol)


AVESTA: VENDIDAD (English): Fargard 2: Yima (Jamshed) and the deluge.

... open asunder and stretch thyself afar, to bear flocks and herds and men. ...

And Yima made the earth grow larger by one-third than it was before, ...

Yima - Wikipedia, the free encyclopedia

Yima ruled as king for three hundred years, and soon the earth was full of men, ... saying "O Spenta Armaiti, kindly open asunder and stretch thyself afar, ...
en.wikipedia.org/wiki/Yima - 14k - Cached - Similar pages

AVESTA: VENDIDAD (English): Fargard 2

... Then Yima stepped forward, in light, southwards, on the ... and (afterwards) he pressed the earth with the ... Armaiti, kindly) open asunder and stretch thyself afar ...

www.supervirtual.com.br/acervo/vendidad/vd2sbe.htm - 14k - Supplemental Result - Cached - Si